fix(feeder): render units in app-config panel, remove from platform-config

- Delete feeder source-panel override (units no longer in platform config)
- Extract buildUnitCard() and render to both unitList and unitConfigList
- Guard null DOM refs for removed unit buttons

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/feeder/html/source-panel.html

@@ -1,22 +0,0 @@
-<section class="panel bottom-left">
-  <div class="stack-panel">
-    <div class="stack-section">
-      <div class="panel-head">
-        <h2>控制单元</h2>
-        <div class="toolbar">
-          <button type="button" class="secondary" id="refreshUnitBtn">刷新</button>
-          <button type="button" id="newUnitBtn">+ 新增</button>
-        </div>
-      </div>
-      <div class="list unit-list" id="unitList"></div>
-    </div>
-
-    <div class="stack-section stack-section-bordered">
-      <div class="panel-head">
-        <h2>数据源</h2>
-        <button type="button" id="openSourceForm">+ 新增</button>
-      </div>
-      <div class="source-panels" id="sourceList"></div>
-    </div>
-  </div>
-</section>

web/feeder/js/app.js

@@ -96,8 +96,8 @@ function bindEvents() {
   dom.batchBindingForm.addEventListener("submit", (event) => withStatus(saveBatchBinding(event)));
 
   dom.unitResetBtn.addEventListener("click", resetUnitForm);
-  dom.refreshUnitBtn.addEventListener("click", () => withStatus(loadUnits().then(loadEvents)));
-  dom.newUnitBtn.addEventListener("click", openCreateUnitModal);
+  if (dom.refreshUnitBtn) dom.refreshUnitBtn.addEventListener("click", () => withStatus(loadUnits().then(loadEvents)));
+  if (dom.newUnitBtn) dom.newUnitBtn.addEventListener("click", openCreateUnitModal);
   dom.closeUnitModalBtn.addEventListener("click", closeUnitModal);
 
   dom.sourceResetBtn.addEventListener("click", () => dom.sourceForm.reset());
@@ -183,7 +183,7 @@ function bindEvents() {
   dom.tabAppConfig.addEventListener("click", () => switchView("app-config"));
   dom.tabConfig.addEventListener("click", () => switchView("config"));
 
-  dom.refreshUnitBtn2.addEventListener("click", () => withStatus(loadUnits()));
+  dom.refreshUnitBtn2.addEventListener("click", () => withStatus(loadUnits().then(loadEvents)));
   dom.newUnitBtn2.addEventListener("click", openCreateUnitModal);
 
   document.addEventListener("equipments-updated", () => {

web/feeder/js/units.js

@@ -97,17 +97,9 @@ function runtimeBadge(runtime) {
   return `<span class="badge ${cls}">${label}</span>`;
 }
 
-export function renderUnits() {
-  dom.unitList.innerHTML = "";
-
-  if (!state.units.length) {
-    dom.unitList.innerHTML = '<div class="list-item"><div class="muted">暂无控制单元</div></div>';
-    return;
-  }
-
-  state.units.forEach((unit) => {
+function buildUnitCard(unit, interactive) {
   const card = document.createElement("div");
-    const selected = state.selectedUnitId === unit.id;
+  const selected = interactive && state.selectedUnitId === unit.id;
   card.className = `list-item unit-card ${selected ? "selected" : ""}`;
   const runtime = state.runtimes.get(unit.id);
   card.innerHTML = `
@@ -122,11 +114,13 @@ export function renderUnits() {
     <div class="row unit-card-actions"></div>
   `;
 
+  if (interactive) {
     card.addEventListener("click", () => {
       selectUnit(unit.id).catch((error) => {
         dom.statusText.textContent = error.message;
       });
     });
+  }
 
   const actions = card.querySelector(".unit-card-actions");
 
@@ -181,10 +175,28 @@ export function renderUnits() {
     actions.append(ackBtn);
   }
 
-    dom.unitList.appendChild(card);
+  return card;
+}
+
+function renderToContainer(container, interactive) {
+  if (!container) return;
+  container.innerHTML = "";
+
+  if (!state.units.length) {
+    container.innerHTML = '<div class="list-item"><div class="muted">暂无控制单元</div></div>';
+    return;
+  }
+
+  state.units.forEach((unit) => {
+    container.appendChild(buildUnitCard(unit, interactive));
   });
 }
 
+export function renderUnits() {
+  renderToContainer(dom.unitList, true);
+  renderToContainer(dom.unitConfigList, false);
+}
+
 export async function loadUnits() {
   const response = await apiFetch("/api/unit?page=1&page_size=-1");
   state.units = response.data || [];